An unexpected error with librw.so by hotspot virtual machine

When run rwconverter in R12.1.3, it hits below error:

$ cd $CUSTOM_TOP/reports/US
$ rwconverter userid=apps/xxxxxx source=ARXCPH.rdf dest=ARXCPH.rdf stype=rdffile dtype=rdffile overwrite=yes batch=yes compile_all=yes

Report Builder: Release 10.1.2.3.0 - Production on Fri Sep 15 16:30:51 2017
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Converting 'ARXCPH.rdf' to 'ARXCPH.rdf'...
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
#  SIGSEGV (0xb) at pc=0xf6ea4a69, pid=3955, tid=4098397952
#
# Java VM: Java HotSpot(TM) Server VM (1.4.2_14-b05 mixed mode)
# Problematic frame:
# C  [librw.so+0x979a69]
#
# An error report file with more information is saved as hs_err_pid3955.log
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#
Abort(coredump)

To fix the problem, follow Doc ID 1161803.1 to unset two environment variables:

$ echo $EVENT_10932
8

$ echo $DE_DISABLE_PLS_512
1

$ unset EVENT_10932

$ unset DE_DISABLE_PLS_512

$ rwconverter userid=apps/xxxxxx source=ARXCPH.rdf dest=ARXCPH.rdf stype=rdffile dtype=rdffile overwrite=yes batch=yes compile_all=yes

Report Builder: Release 10.1.2.3.0 - Production on Fri Sep 15 16:42:57 2017
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Converting 'ARXCPH.rdf' to 'ARXCPH.rdf'...

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